Compaq Presario CQ40-517TU Windows 7 Driver

For wireless and graphic there are 2 applicable drivers available, choose base on your specs or if you didn't know which driver to use, test which work for you. Installing wrong driver for graphic and wireless will not harm your system. You will be only prompted with error message. 


CHIPSET DRIVERS:
INF Update Utility - Primarily for Intel® 5, 4, 3, 900 Series Chipsets
Download

AUDIO:
IDT audio
Download

VGA/GRAPHIC
Mobile Intel 4 Series Express Chipset Family Graphics Driver (32-bit)
Download
Download (64-bit)

if you have nvidia graphic:
Nvidia GeForce G 105M/103M
Download

WIRELESS:
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If you have Intel Wireless:
Intel Wireless LAN Driver for Microsoft Windows 7
Download

If you have Broadcom Wireless:
Broadcom Wireless LAN Driver for Microsoft Windows 7
Download
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HP Wireless Assistant
Download

JMB38X Card Reader Host Controller Driver for Windows 7
Download

Cyberlink YouCam Software
Download

Lightscribe System Software
Download

HP Quick Launch Buttons
Download

ETHERNET:
Realtek RTL8102E/8111C Family PCI-E Gigabit Ethernet NIC Driver
Download